should sium
Regular verb: sium - siumed- siumed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd sium
you'd sium
she'd sium
we'd sium
you'd sium
they'd sium 	I'd be siuming
you'd be siuming
she'd be siuming
we'd be siuming
you'd be siuming
they'd be siuming	I should've siumed
you should've siumed
she should've siumed
we should've siumed
you should've siumed
they should've siumed	I should've been siuming
you should've been siuming
she should've been siuming
we should've been siuming
you should've been siuming
they should've been siuming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't sium
you shouldn't sium
she shouldn't sium
we shouldn't sium
you shouldn't sium
they shouldn't sium 	I shouldn't be siuming
you shouldn't be siuming
she shouldn't be siuming
we shouldn't be siuming
you shouldn't be siuming
they shouldn't be siuming	I shouldn't have siumed
you shouldn't have siumed
she shouldn't have siumed
we shouldn't have siumed
you shouldn't have siumed
they shouldn't have siumed	I shouldn't have been siuming
you shouldn't have been siuming
she shouldn't have been siuming
we shouldn't have been siuming
you shouldn't have been siuming
they shouldn't have been siuming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I sium?
should you sium?
should she sium?
should we sium?
should you sium?
should they sium? 	should I be siuming?
should you be siuming?
should she be siuming?
should we be siuming?
should you be siuming?
should they be siuming? 	should I have siumed?
should you have siumed?
should she have siumed?
should we have siumed?
should you have siumed?
should they have siumed? 	should I have been siuming?
should you have been siuming?
should she have been siuming?
should we have been siuming?
should you have been siuming?
should they have been siuming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I sium?
shouldn't you sium?
shouldn't she sium?
shouldn't we sium?
shouldn't you sium?
shouldn't they sium? 	shouldn't I be siuming?
shouldn't you be siuming?
shouldn't she be siuming?
shouldn't we be siuming?
shouldn't you be siuming?
shouldn't they be siuming? 	shouldn't I have siumed?
shouldn't you have siumed?
shouldn't she have siumed?
shouldn't we have siumed?
shouldn't you have siumed?
shouldn't they have siumed? 	shouldn't I have been siuming?
shouldn't you have been siuming?
shouldn't she have been siuming?
shouldn't we have been siuming?
shouldn't you have been siuming?
shouldn't they have been siuming?